1. Nuffield Department of Clinical Neurosciences; John Radcliffe Hospital; University of Oxford; Oxford United Kingdom
2. Assistance Publique Hôpitaux de Paris; Hopitaux Universitaires Paris Sud; Pediatric Neurology Department and National Referral Center for Neuroinflammatory Diseases and Université Paris Sud; Le Kremlin-Bicêtre Hospital (BH); Paris France
3. Department of Neuroradiology; Kings College Hospital; King's Health Partners Academic Health Science Centre; London United Kingdom
4. Assistance Publique Hôpitaux de Paris; Hopitaux Universitaires Paris Sud; Immunology Department; Université Paris Sud; Le Kremlin-Bicêtre Hospital (BH); Paris France
5. Paediatric Infectious Diseases Department; Evelina Children's Hospital (ECH) at Guy's and St Thomas' National Health Service (NHS) Foundation Trust; King's Health Partners Academic Health Science Centre; London United Kingdom
6. Children's Neurosciences; Evelina Children's Hospital (ECH) at Guy's and St Thomas' NHS Foundation Trust; King's Health Partners Academic Health Science Centre; London United Kingdom